Your savory rumor mill bite is, unfortunately, misinformation. The plans submitted to the BLM (which have been discussed on the boards) does call for a significant increase in numbers (to 70K), but that's over a period of time (through 2016). If you read the publicly available info carefully, you'll see that the plan calls for population not to exceed 58K this year, then 6% annual growth, which gets you to the 70K number by 2016.
A copy of the Environmental Assessment, which includes event plans through 2016, can be found here (300+ page pdf)https://www.blm.gov/epl-front-office/pr ... 007-EA.pdf
So no, there will not be additional tickets put on sale for this year's event.